No.Parts Names Q.W.Period Following Items out of the Rangement of Q.W.Period.
01 drill rod 36m ; 1/3length of the drill rod consumed、in&exbush worn
02 nitrogen 03m damage by external impact、
valve ; lost due to loose but no tightening timely
03 front head 30m damaged & worn by external impact
04 back head 14m damaged & worn ;by external impact/broken by working frequently
; under no-load (excluding in. & ex.bush)
05 changing ; 24m foreign matters in hydraulic oil/injury ;by pulling、
value outlasting the replacing time of oil seal/poor scheduled
maintenance、mistakes by users、injury by pulling
06 machine core 12m foreign matters in hydraulic oil、outlasting the replacing time of oil
(cylinder ) seal/misuse or bad quality pipeline leading to piston napping、
; injury by pulling、mistakes by users、poor scheduled maintenance、
07 piston ring 12m foreign matters in hydraulic oil/outlasting the replacing time of oil
& piston seal/no choice of parts provided the manufacturer/injury of piston
by pulling/mistakes by users/bush of breaker fixer consuming
08 in.&ex.bush 12m ; damaged/worn by consuming (crazing in QWP)
09 track bolt / 03m loose due to no scheduled maintenance、
through bolt damaged /worn by external impact
10 oil seal 06m damage by foreign matters in hydraulic oil
damage & worn caused by injury of piston by pulling/
11 cotter /cup 03m wearing heavily leading ;to damage、wear
head/spring pin
12 crew/nut 03m nut losing by an operator no tightening on time
13 hydr.driving ; 03m ; damage by fracture of oscillating plate、by external impact、
hose by pressure by over-adjustment of relief valve
14 housing ; 06m damage by operators no abiding by、crazing caused by
(including strengtheningwithout the manufacturer authorizing
lining) (solving crazing at welds by customers, replacement
under not available after customers re-welding)
15 uppercover ; 03m damage by external impact /misoperation
(towertype)
16 energy accumu ; 12m damage by external impact /poor scheduled maintenance
lator(optional)
17 sealing cup(energy 03m damage by insufficient amount of nitrogen pressure/pressure/over-
accumulator) adjustment of relief valve causing damage
18 hose ; 02m damage by poor scheduled maintenance/fracture of oscillating plate/
(pipeline) external impact/ pressure by over-adjustment of relief valve
19 rigid tube ; 03m damage by poor scheduled maintenance/fracture of oscillating plate/
(pipeline) external impact/pressure by over-adjustment of relief valve
20 relief valve 03m damage by abnormal temperature rising/pressure by over-
(pipeline) adjustment of relief valve
21 foot operated 03m ; damage by wearing/crashing/dismantling
valve(pipeline)
22 stop valves 03m damage by wearing/crashing/dismantling
(pipeline)
Claims Reporting & Handling:
1.Concrete matters should be reported to the local distributor.
2.Quality policy & inspection certificate should be provided as well as claims reporting.
3.The company only is responsible for GBPSC hydraulic breaker itself, not downtime、work-
related injury and other matters related to caused by quality problem.
4. During the mentioned warranty period, work hours are calculated in accordance with standard
hours based on 8hours/day.
5.The quality warranty has been carried out by virtue of certificate of qualification issued since
April 20, 2013,previously the terms still work.